> By "invisible", do you mean that webapps that use JSP typically use URL mapping so that you never see the .jsp extension? If not, then I'm not sure I get your

> By "invisible", do you mean that webapps that use JSP typically use URL mapping so that you never see the .jsp extension? If not, then I'm not sure I get your meaning. Oh, I just meant that JSP is never, ever mentioned in any mainstream web development magazine - it's absent from discussion, not practice. Back-end programming seems to be exclusively PHP/ROR if I go from what I read on web dev blogs, forums and news sources. I may simply be reading the wrong sources, of course.